def test_student() -> None:
student_1 = Student(1, "roney")
student_2 = Student(2, "tim")
student_3 = Student(3, "allen")
assert str(student_1) == "roney"
assert str(student_2) == "tim"
assert str(student_3) != "roney"
assert student_1.id == 1
assert student_2.id != 4
assert student_3.id == 3
mcq_1 = MultipleChoiceQuestion(1, "Cities in Canada",
["Toronto", "Ottawa", "Vancouver"])
mcq_2 = MultipleChoiceQuestion(2, "C", ["A", "O", "V"])
mcq_1_ans = Answer("Toronto")
student_1.set_answer(mcq_1, mcq_1_ans)
assert student_1.has_answer(mcq_1)
assert not student_1.has_answer(mcq_2)
assert student_1.get_answer(mcq_1) == mcq_1_ans
assert student_1.get_answer(mcq_2) == None
assert student_2.get_answer(mcq_1) == None
def test_student_has_answer() -> None:
"""A test for has_answer() in class Student."""
s = Student(123, 'Mike')
que = Question(2, 'F')
assert s.has_answer(que) is False
